Widespread Heavy Rainfall to Continue Flooding Threat For South-Central U.S. This Week

Multiple days of heavy rainfall will likely continue to cause considerable flash and urban flooding impacts across portions of eastern Texas, Oklahoma, western Arkansas, and extreme western Louisiana this week. New and renewed widespread minor to isolated major river flooding is expected, and will continue into next week on slow-to-drain rivers. Read More >

Current conditions at

McAllen, Miller International Airport (KMFE)

Lat: 26.18°NLon: 98.24°WElev: 105ft.

Overcast

27°C

80°F

Humidity 82%
Wind Speed E 15 km/h
Barometer 1008.5 mb (29.79 in)
Dewpoint 23°C (74°F)
Visibility 13 km
Heat Index29°C (85°F)
Last update 18 May 4:53 am CDT
Extended Forecast for

Mc Allen TX

Flash Flood Watch until May 20, 01:00pm
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until May 20, 01:00pm

    NOW until
    1:00pm Thu

    Flash Flood Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. Southeast wind around 23 km/h.

    Mostly Cloudy

    Low: 27 °C

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Heat index values as high as 41. Breezy, with a southeast wind 18 to 23 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 37 km/h.

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

    High: 34 °C

  • Tuesday
    Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 26. Breezy, with a southeast wind 24 to 32 km/h.

    Heavy Rain
    and Breezy

    Low: 26 °C

  • Wednesday

    Wednesday: Showers and thunderstorms. Some of the storms could produce heavy rain.  High near 31. Southeast wind 21 to 27 km/h, with gusts as high as 35 km/h.  Chance of precipitation is 80%.

    Heavy Rain

    High: 31 °C

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely. Some storms could be severe, with large hail, damaging winds, and heavy rain.  Cloudy, with a low around 21. East wind 11 to 16 km/h becoming east southeast 5 to 10 km/h after midnight.  Chance of precipitation is 70%.

    Severe
    Thunderstorms

    Low: 21 °C

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 29. Calm wind becoming east southeast 5 to 10 km/h in the morning.

    Chance
    T-storms

    High: 29 °C

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 22. East southeast wind 5 to 13 km/h.

    Chance
    T-storms

    Low: 22 °C

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 30. East southeast wind 5 to 13 km/h.

    Chance
    T-storms

    High: 30 °C

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. Southeast wind around 23 km/h.
Tuesday
Partly sunny, with a high near 34. Heat index values as high as 41. Breezy, with a southeast wind 18 to 23 km/h increasing to 24 to 29 km/h in the afternoon. Winds could gust as high as 37 km/h.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 26. Breezy, with a southeast wind 24 to 32 km/h.
Wednesday
Showers and thunderstorms. Some of the storms could produce heavy rain. High near 31. Southeast wind 21 to 27 km/h, with gusts as high as 35 km/h. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms likely. Some storms could be severe, with large hail, damaging winds, and heavy rain. Cloudy, with a low around 21. East wind 11 to 16 km/h becoming east southeast 5 to 10 km/h after midnight. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 29. Calm wind becoming east southeast 5 to 10 km/h in the morning.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 22. East southeast wind 5 to 13 km/h.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 30. East southeast wind 5 to 13 km/h.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. East wind 8 to 16 km/h.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 29. East wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23. East southeast wind 10 to 18 km/h.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 23.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 29.
Click Map For Forecast
Point Forecast:
Mc Allen TX
 26.22°N 98.23°W
5:00 am CDT May 18, 2021
5am CDT May 18, 2021-6pm CDT May 24, 2021
 
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